KM vs Radiology
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KM
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Practice program for i.v. and i.a. application of iodine-containing contrast agents. Intravenous or intra-arterial application of iodine-containing contrast agents may result in various side effects, including renal function impairment, allergic reactions, and hyperthyroidism. Taking into account the various risk factors, individual prophylaxis regimens can be established for each patient. The CM-Helper is intended as a training program to help patients practice the use of iodine-containing contrast media so that they can later identify high-risk patients in clinical routine in good time and, if necessary, initiate suitable corrective or protective measures. Medical decisions should not be made solely based on the information contained in the app. You should seek the advice of a doctor when using this app and before making any medical decisions.
Radiology
Master thoracic imaging with this interactive guide. It features annotated clinical data sets to illustrate key concepts, making it an essential tool for healthcare professionals who need to interpret chest films quickly.
- Interactive learning
- Annotated clinical data sets
- Master thoracic imaging basics
- Essential for healthcare professionals
- Real clinical data illustration
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Diagnostic Radiology - Thoracic Imaging - A Primer for Physicians by Wallace Miller, author of "Diagnostic Thoracic Imaging". See review: http://www.imedicalapps.com/2014/04/diagnostic-radiology-chest-primer-app/ ◆ ◆ Go beyond paper and do Radiology ◆ ◆ ▸ Get your hands on a revolutionary new way to master the basics of thoracic imaging. ▸ This fully interactive book offers extensively annotated, real clinical data sets to illustrate the key concepts of thoracic imaging; a critical skill for today's physician. ▸ A must for medical students, physicians, nurse practitioners and other health care professionals who often have to read chest films, make a diagnosis and treat patients, before a radiology report is available.
Screenshots
Verdict
The clearest difference is price: KM at Free against Radiology's $34.99. KM also leads on update cadence (monthly vs every 10 months). Radiology's advantage is iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
KM is free to download; Radiology costs $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.
KM ships an update monthly, Radiology every 10 months. Both last shipped on November 1, 2026.
| Parameter | KM | Radiology |
|---|---|---|
| Price | Free — better | $34.99 |
| Rating | — | 4.7 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Monthly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 277 MB |
| Age rating | 12+ | 4+ |
| Developer | Christian Schramm | BestApps BV |
In-app purchases
KM
No in-app purchases
Radiology
No in-app purchases







